it prompt:
```
Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/__init__.py", line 350, in
execute_from_command_line
utility.execute()
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/__init__.py", line 342, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/base.py", line 348, in run_from_argv
self.execute(*args, **cmd_options)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/base.py", line 399, in execute
output = self.handle(*args, **options)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/commands/makemigrations.py", line 150, in
handle
self.write_migration_files(changes)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/core/management/commands/makemigrations.py", line 178, in
write_migration_files
migration_string = writer.as_string()
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 167, in as_string
operation_string, operation_imports =
OperationWriter(operation).serialize()
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 124, in serialize
_write(arg_name, arg_value)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 76, in _write
arg_string, arg_imports = MigrationWriter.serialize(item)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 353, in serialize
item_string, item_imports = cls.serialize(item)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 429, in serialize
return cls.serialize_deconstructed(path, args, kwargs)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 318, in
serialize_deconstructed
arg_string, arg_imports = cls.serialize(arg)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 353, in serialize
item_string, item_imports = cls.serialize(item)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 473, in serialize
return cls.serialize_deconstructed(*value.deconstruct())
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 314, in
serialize_deconstructed
arg_string, arg_imports = cls.serialize(arg)
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/db/migrations/writer.py", line 512, in serialize
for item in value:
File "/Users/mrgaolei/Desktop/proton/venv/lib/python2.7/site-
packages/django/utils/functional.py", line 205, in inner
return func(self._wrapped, *args)
TypeError: '_sre.SRE_Pattern' object is not iterable
```
--
Ticket URL: <https://code.djangoproject.com/ticket/25807>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
* needs_better_patch: => 0
* component: Uncategorized => Migrations
* needs_tests: => 0
* severity: Normal => Release blocker
* needs_docs: => 0
* type: Uncategorized => Bug
* stage: Unreviewed => Accepted
Old description:
New description:
--
Comment:
I can reproduce the issue indeed (couldn't figure out how to make a
testcase for it though).
Bisecting the issue points to 2bb1027d6bcdad59624a9d08701e0d2e4a9c0ba7.
Thanks.
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:1>
* owner: nobody => charettes
* status: new => assigned
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:2>
* has_patch: 0 => 1
Comment:
https://github.com/django/django/pull/5722
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:3>
* stage: Accepted => Ready for checkin
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:4>
* status: assigned => closed
* resolution: => fixed
Comment:
In [changeset:"cc2ca9c550fbf8fca8684b373a3c8e3618eea08e" cc2ca9c]:
{{{
#!CommitTicketReference repository=""
revision="cc2ca9c550fbf8fca8684b373a3c8e3618eea08e"
Fixed #25807 -- Instructed the migration writer about lazy objects.
Thanks to Trac alias mrgaolei for the report, Baptiste for the
confirmation
and Tim for the review.
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:5>
Comment (by Simon Charette <charette.s@…>):
In [changeset:"b4a1d545db19bb427af4043ce2c689dad856514f" b4a1d545]:
{{{
#!CommitTicketReference repository=""
revision="b4a1d545db19bb427af4043ce2c689dad856514f"
[1.9.x] Fixed #25807 -- Instructed the migration writer about lazy
objects.
Thanks to Trac alias mrgaolei for the report, Baptiste for the
confirmation
and Tim for the review.
Backport of cc2ca9c550fbf8fca8684b373a3c8e3618eea08e from master
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/25807#comment:6>